Find Synonyms

annex Synonyms

Another word for annex

Choosing another word for annex depends on context, so the 27 synonyms and similar words below are separated across 4 exact definitions and ranked by match strength.
JUMP TO:

• noun (Context 1)

A building joined to or associated with a main building, providing additional space or accommodations.

Usage Example

"The hospital constructed a modern wing to house its growing pediatric department."

Strongest
wing
extension
Strong
addition
outbuilding
ell

• noun (Context 2)

An addition to a document, typically providing supplementary information.

Usage Example

"Please refer to the technical appendix at the back of the report for a full breakdown of the survey data."

Strongest
appendix
addendum
supplement
Strong
attachment
postscript
Weak
codicil
rider

• verb (Context 3)

To incorporate (territory) into the domain of a city, country, or state, often by force or without permission.

Usage Example

"The empire threatened to take over the neighboring province to gain control of its rich mineral deposits."

Strongest
take over
seize
Strong
appropriate
usurp
occupy
incorporate
conquer
absorb
expropriate

• verb (Context 4)

To add or attach as an extra or subordinate part, especially to a document.

Usage Example

"The lawyer decided to append the newly discovered emails to the court filing."

Strongest
append
attach
affix
Strong
add
subjoin
tack on

Opposites of annex

The opposite of annex shifts depending on context. Common opposites include:

cede
detach
relinquish
remove
surrender
separate
give up
disconnect
See all opposites of annex

Cite this Entry


Wordmom. (2026). Synonyms for Annex. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/annex
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.